Difficulties of teachers teaching physics in the secondary schools of Pasuquin, Bacarra, and Vintar, Ilocos Norte, 1970-1971 [microform]
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| Médium: | Visual Material |
| Jazyk: | English |
| Vydáno: |
Quezon City
Photoduplication Service. University of the Philippines Library
1975.
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| Témata: |